6EWX:
reference: Dimerization of the Pragmin Pseudo-Kinase Regulates Protein Tyrosine Phosphorylation., Lecointre C, Simon V, Kerneur C, Allemand F, Fournet A, Montarras I, Pons JL, Gelin M, Brignatz C, Urbach S, Labesse G, Roche S, Structure. 2018 Apr 3;26(4):545-554.e4. doi: 10.1016/j.str.2018.01.017. Epub 2018, Mar 1. PMID: 29503074

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).